The Philanthropy 50 2009 Gift Profile: Thomas F. Steyer and Kat Taylor

Thomas F. Steyer and Kat Taylor: $40-million

Beneficiary: Stanford University

Donors’ background: Mr. Steyer founded Farallon Capital Management, a hedge fund in San Francisco.

Mr. Steyer and his wife, Ms. Taylor, pledged $40-million to Stanford University, in Calif., for the TomKat Center for Sustainable Energy.

No details were available about a payment schedule.

Both are graduates of Stanford: